Across
- 2. an atom or group of atoms that have a positive charge
- 4. pure substance of only one type of atom
- 6. a subatomic particle with a negative in the nucleus charge
- 9. when an electron transfers from one atom to another
- 10. a link where electrons are shared between atoms
- 11. when a pair of electrons are unevenly shared between two atoms
- 14. the act or state of gluing/sticking things together
- 15. a subatomic particle with no charge that weighs the same as a proton
Down
- 1. when the molecules have positive and negative polls
- 3. when an element has different atoms and atomic masses
- 5. when electrons are shared evenly between two atoms
- 7. a subatomic particle in the nucleus, with positive charge
- 8. basic unit of a element
- 12. the bonding of two or more molecules
- 13. two or more types of atoms that are mixed evenly